Actually, the good criminals can get your information even if you tear it up. They take a lot of time piecing it back together.

What you should do is shred it up multiple times multiple ways. Pretty much shred it up and dump it back in the shredder until you have very small pieces let.

"why I've gotta be one of the cool kids just to walk by/
- without being tripped, thrown down on the ground and kicked/
Insulting me for no reason, I was treated like shit/
The teachers let it happen/
I've even seen some of them teachers laughing/
That's why I had a smile on my face when I started blastin/" - Ill Bill - The Anatomy of a School Shooting